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Mars’ frozen ice caps may be time capsules for ancient life. Lab experiments show that key building blocks of proteins can survive tens of millions of years in pure ice, even under relentless cosmic ...

A mysterious spike of platinum buried deep in Greenland’s ice has long fueled theories of a catastrophic comet or asteroid strike 12,800 years ago—possibly triggering a sudden return to icy conditions ...

For years, scientists have speculated that the Moon’s dark, permanently shadowed craters could hold the key to a vital resource for future space exploration: water ice. These cold, sunless regions, ...